Organic electroluminescent display device having bi-layer...

Details Organic electroluminescent display device having bi-layer... Organic electroluminescent display device having bi-layer...

2006-10-24

2006-10-24

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S504000

Reexamination Certificate

active

07126271

ABSTRACT:
An organic electroluminescent display device including a first electrode and a second electrode formed on a substrate, and a plurality of organic film layers between the first and second electrodes, including a first organic film layer provided between the emitting layer and the second electrode, and a second organic film provided between the emitting layer and the first organic film layer, wherein the first organic film layer includes a first organic metal complex compound, and the second organic film layer includes a mixture of a charge carrier transport material and a second organic metal complex compound.

REFERENCES:
patent: 5776622 (1998-07-01), Hung et al.
patent: 6396209 (2002-05-01), Kido et al.
patent: 11-233262 (1999-08-01), None
patent: 2000-003790 (2000-01-01), None
patent: 2000-182774 (2000-06-01), None
patent: 2002-008863 (2002-01-01), None
patent: 2002-324680 (2002-11-01), None
patent: 1999-82912 (1999-11-01), None
Kido, et al. “Invited Paper: Bright Organic EL Device Having Metal-Doped Electron-Injecting Layer,” SID 97 Digest, 1997, pp. 775-777. no month.
Japanese Office Action issued May 22, 2006, in counterpart Japanese Patent Application No. 2003-282124 (in Japanese).

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